U-boats
(U-boat 的复数) n. 潜水艇
🧩 词语组成解析
n. 船艇；船（boat的复数）
🗣️ 情景例句
She treated me with indifference.
她对我很冷淡。
Do not praise a day before sunset.
切勿褒贬过早。
These objects, however, were different.
这些展品却使人大开眼界。